Top 100 Portal Videos With The Longest Duration by Mount C
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Breakout: Lilith plays Portal #7 | 21:04 | Portal | |
| 2. | This was a triumph: Lilith plays Portal #8 | 19:52 | Portal | |
| 3. | The beer is a lie: Lilith plays Portal drunk | 17:12 | Portal | |
| 4. | Unseen secrets: Lilith plays Portal #6 | 15:05 | Portal | |
| 5. | Final steps: Lilith plays Portal #5 | 15:03 | Portal | |
| 6. | Heart cube: Lilith plays Portal #4 | 14:59 | Portal |